body,html{
  margin: 0;
  padding: 0;
  font-size: 14px;
  background-color: #f5f5f5;
}
li{
  list-style: none;
}
a{
  color: black;
  cursor: pointer;
  text-decoration: none;
}
a:hover{
  color: #e54c21;
}
.header{
  height: 87px;
  border-bottom: 3px solid red;
  background-color: #ffff;
  box-sizing: border-box;
}
.header_con{
  width: 85%;
  height: 100%;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo{
  & img{
    width: 75%;
  }
}
.Nav{
  width: 43%;
  display: flex;
  justify-content: space-evenly;
  align-items: center;
  font-size: 1.15rem;
  & ul{
    padding: 0;
    width: 60%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    & li{
      width: 33%;
      text-align: center;
      border-right: 1px solid black;
    }
  }
}
.Nav_que{
  width: 28%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  & img{
    width: 65px;
    height: 65px;
  }
}
.content{
  height: 90%;
  display: flex;
  display: grid;
  grid-template-columns: 38% 34% 26%;
  justify-content: space-between;
  grid-template-rows: 720px;
  align-items: center;
  padding: 20px;
}
.clo1{
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  & img{
    width: 100%;
  }
}
.lunbo{
  height: 54%;
}
.presence{
  background: #ffff;
  height: 18%;
  padding-bottom: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.block_title{
  height: 36px;
  color: white;
  background: url(../img/lineBackground.png) no-repeat 0%;
  background-size: 108%;
  overflow: hidden;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.1rem;
  &>span{
    width: 106px;
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    & img{
      width: 22%;
    }
  }
  & a{
    color:#5a5454;
  }
}
.pre_imgs{
  display: flex;
  justify-content: space-around;
  align-items: center;
  & img{
    width: 22%;
  }
}
.clo2{
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.active{
  height: 65%;
  background-color: #fff;
}
.activeImgs{
  height: 32%;
}
.active_list{
  height: 92%;
  margin-top: 5px;
}
.active_li{
  height: 45px;
  display: flex;
  border-bottom: 1px dotted #5a5454;
  justify-content: space-around;
  align-items: center;
  color: rgb(90, 82, 82);
  text-wrap: nowrap;
  & a{
    width: 51%;
    white-space-collapse: collapse;
    text-wrap: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
  }
}
.activeImgRow1,.activeImgRow2{
  height: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.activeImgs_li{
  width: 25%;
  height: 100%;
  transition: all 0.5s;
  & span{
    margin-top: 20px;
  }
  &:hover{
    background-size: 150%;
  }
}
.activeImgRow1 .activeImgs_li:nth-child(odd){
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  background: #d71f28;
  color: #fff;
  padding: 10px;
  box-sizing: border-box;
}
.activeImgRow2 .activeImgs_li:nth-child(even){
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  background: #d71f28;
  color: #fff;
  padding: 10px;
  box-sizing: border-box;
}
.activeImgRow1 .activeImgs_li:nth-child(even){
  display: flex;
  justify-content: center;
  align-items: flex-end;
  box-sizing: border-box;
  & span{
    width: 100%;
    height: 50px;
    display: flex;
    color: #fff;
    background: rgba(0, 0, 0, .6);
    align-items: center;
    justify-content: center;
  }
}
.activeImgRow2 .activeImgs_li:nth-child(odd){
  display: flex;
  justify-content: center;
  align-items: flex-end;
  box-sizing: border-box;
  & span{
    width: 100%;
    height: 50px;
    display: flex;
    color: #fff;
    background: rgba(0, 0, 0, .6);
    align-items: center;
    justify-content: center;
  }
}
.activeImgRow1 .activeImgs_li:nth-child(2){
  background-image: url(../img/list5.jpg);
}
.activeImgRow1 .activeImgs_li:nth-child(4){
  background-image: url(../img/list6.jpg);
}
.activeImgRow2 .activeImgs_li:nth-child(1){
  background-image: url(../img/list7.jpg);
}
.activeImgRow2 .activeImgs_li:nth-child(3){
  background-image: url(../img/list8.jpg);
}
.clo3{
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.clo3 .block_title{
  background-size: 136%;
}
.clo3 ul{
  height: calc(100% - 30px);
  margin: 0;
  padding: 0;
  list-style: disc;
  & li{
    list-style: disc;
    height: 22%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    border: 1px dotted #f5f5f5;
    box-sizing: border-box;
    & img{
      margin: 0 10px;
    }
    & a{
      width: 83%;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
  }
}
.logIn{
  height: 14%;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;  
  & div{
    width: 100%;
    height: 45%;
    background-color: #ef3f3e;
    display: flex;
    justify-content: center;
    align-items: center; 
  }
  & a{
    color: #fff;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  & a:hover{
    color: #fff;
  }
}
.newStudent{
  height: 24%;
  background-color: #fff;
}

.quenstion{
  height: 27%;
  background-color: #fff;
}
.college{
  height: 27%;
  background-color: #fff;
}
.collegeList{
  height: calc(100% - 60px);
  position: relative;
  .leftX{
    position: absolute;
    top: 50%;
    left: 2%;
    transform: translate(0%,-50%);
    cursor: pointer;
  }
  .rightX{
    position: absolute;
    top: 50%;
    right: 0%;
    transform: translate(-50%,-50%);
    cursor: pointer;
  }
}
.collegeDiv{
  height: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-evenly;
  align-content: space-around;
  & a{
    width: 35%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}
.collegeDivNone{
  display: none;
}
.end{
  height: 80px;
  background: #d71f28;
  color: #fff;
  padding: 0 15px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-evenly;
  & p{
    margin: 0;
  }
}

@media (max-width: 768px) {
  .header {
    height: auto;
  }
  .logo {
    & img {
      width: 100%;
    }
  }
  .header_con {
    display: grid;
    grid-template-rows: 1fr 2fr;
    padding: 15px 0;
  }
  .block_title{
    background-size: 134%;
  }
  .Nav {
    width: 100%;
    flex-flow: column;
    & ul{
      padding: 0;
      width: 100%;
      margin: 16px 0;
      & a{
        width: 100%;
        height: 100%;
        display: block;
      }
    }
  }
  .Nav_que{
    width: 100%;
    justify-content: space-evenly;
  }
  .content{
    grid-template-columns:100%;
    grid-template-rows: 590px 720px 720px;
    gap: 20px;
    padding: 0px;
    margin: 10px 0px;
  }
  .clo1{
    .lunbo+img{
      height: 15%;
    }
    & img {
      height: 100%;
    }
  }
  .end{
    height: 130px;
  }
}